Moving beyond memorization of probability rules, the area model can be useful in making some significant ideas in probability more apparent to students. In particular, area models can help students understand when and why they multiply probabilities and when and why they add probabilities.
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Kelly Hagan and Cheng-Yao Lin
April 2020's GPS department provides tasks for each grade band that invite students to reason with age-appropriate number theoretic concepts.
Erell Germia and Nicole Panorkou
We present a Scratch task we designed and implemented for teaching and learning coordinates in a dynamic and engaging way. We use the 5Es framework to describe the students' interactions with the task and offer suggestions of how other teachers may adopt it to successfully implement Scratch tasks.
Stefanie D. Livers, Kristin E. Harbour, and Lindsey Fowler
In our attempts to make a concept easier, we may hinder student learning.
Stephen Phelps
Edited by Anna F. DeJarnette
A monthly set of problems targets a variety of ability levels.
P. Reneé Hill-Cunningham
Hundreds of species of animals around the world are losing their habitats and food supplies, are facing extinction, or have been hunted or otherwise negatively influenced by humans. Students learn about some of these animals and explore multiple solution strategies as they solve this month's problems. Math by the Month features collections of short activities focused on a monthly theme. These articles aim for an inquiry or problem-solving orientation that includes four activities each for grade bands K–2, 3–4, and 5–6.
Joanna B. Stegall and Jacquelynn A. Malloy
An algebra 1 teacher collaborated with two university researchers to develop vocabulary minilessons and peer discussions to support students in understanding and using algebraic language.
Abbe Skinner, Nicole Louie, and Evra M. Baldinger
A teacher shares her journey toward disrupting her conditioning to create more humanizing math learning experiences for her students, incorporating strategies that every educator can use.
